Rock Oil's vast experience in both 2 and 4 stroke lubrication has been used to produce our high performing range of marine lubricants for both inboard and outboard applications.

The pursuit of excellence has resulted in the highly prestigious NMMA certification for our cutting edge MP3 Ultra, Bio Marine 3, MP3 Sport and MP+ lubricants. It is the foremost specification for the marine industry and assures the user that the products meet and exceed exacting standards.

Using the correct lubricant is essential in ensuring the long term reliability and protection of your engine. Every Rock Oil marine product is engineered to perform a specific task, assuring you of the highest performance for your own individual requirements.